saturation (satch-u-ra´shun)

1. Impregnation of one substance by another to the greatest possible extent. 2. Neutralization, as of an acid by an alkali. 3. That concentration of a dissolved substance that cannot be exceeded. 4. In optics, see saturated color. 5. Filling of all the available sites on an enzyme molecule by its substrate, or on a hemoglobin molecule by oxygen (symbol SO2) or carbon monoxide (symbol SCO). [L. saturatio, fr. saturo, to fill, fr. satis, enough]
secondary s.a technique of nitrous oxide anesthesia consisting of an abrupt curtailment of the oxygen in the inhaled mixture to produce a deep plane of anesthesia, following which oxygen is administered to correct hypoxia.


Browse Medical References:

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M]
[N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]